From 3a321131b0f1d75685b7487517fc84738f4186d2 Mon Sep 17 00:00:00 2001 From: notaz Date: Tue, 10 Apr 2012 00:33:43 +0300 Subject: [PATCH] frontend: merge updates from SDL project --- frontend/linux/fbdev.c | 82 ++++++++++++++++++++++++++----- frontend/linux/fbdev.h | 2 + frontend/linux/xenv.c | 107 +++++++++++++++++++++++++++-------------- frontend/linux/xenv.h | 16 +++++- frontend/plat_omap.c | 7 +-- 5 files changed, 159 insertions(+), 55 deletions(-) diff --git a/frontend/linux/fbdev.c b/frontend/linux/fbdev.c index afd55311..ec3d5c7e 100644 --- a/frontend/linux/fbdev.c +++ b/frontend/linux/fbdev.c @@ -22,6 +22,8 @@ #include "fbdev.h" +#define PFX "fbdev: " + struct vout_fbdev { int fd; void *mem; @@ -32,6 +34,8 @@ struct vout_fbdev { int fb_size; int buffer_count; int top_border, bottom_border; + void *mem_saved; + size_t mem_saved_size; }; void *vout_fbdev_flip(struct vout_fbdev *fbdev) @@ -83,7 +87,7 @@ void *vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, int bpp, { if (fbdev->fbvar_new.bits_per_pixel != bpp || w != fbdev->fbvar_new.xres || h != fbdev->fbvar_new.yres) - printf(" switching to %dx%d@%d\n", w, h, bpp); + printf(PFX "switching to %dx%d@%d\n", w, h, bpp); fbdev->fbvar_new.xres = w; fbdev->fbvar_new.yres = h; @@ -105,12 +109,12 @@ void *vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, int bpp, fbdev->fbvar_new.yres_virtual = h_total; ret = ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_new); if (ret == -1) { - perror("FBIOPUT_VSCREENINFO ioctl"); + perror(PFX "FBIOPUT_VSCREENINFO ioctl"); return NULL; } fbdev->buffer_count = 1; fbdev->buffer_write = 0; - fprintf(stderr, "Warning: failed to increase virtual resolution, " + fprintf(stderr, PFX "Warning: failed to increase virtual resolution, " "multibuffering disabled\n"); } @@ -129,7 +133,7 @@ void *vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, int bpp, fbdev->mem = mmap(0, mem_size, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev->fd, 0); if (fbdev->mem == MAP_FAILED && fbdev->buffer_count > 1) { - fprintf(stderr, "Warning: can't map %zd bytes, doublebuffering disabled\n", mem_size); + fprintf(stderr, PFX "Warning: can't map %zd bytes, doublebuffering disabled\n", mem_size); fbdev->buffer_count = 1; fbdev->buffer_write = 0; mem_size = fbdev->fb_size; @@ -138,7 +142,7 @@ void *vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, int bpp, if (fbdev->mem == MAP_FAILED) { fbdev->mem = NULL; fbdev->mem_size = 0; - perror("mmap framebuffer"); + perror(PFX "mmap framebuffer"); return NULL; } @@ -184,14 +188,14 @@ struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int b fbdev->fd = open(fbdev_name, O_RDWR); if (fbdev->fd == -1) { - fprintf(stderr, "%s: ", fbdev_name); + fprintf(stderr, PFX "%s: ", fbdev_name); perror("open"); goto fail_open; } ret = ioctl(fbdev->fd, FBIOGET_VSCREENINFO, &fbdev->fbvar_old); if (ret == -1) { - perror("FBIOGET_VSCREENINFO ioctl"); + perror(PFX "FBIOGET_VSCREENINFO ioctl"); goto fail; } @@ -208,8 +212,8 @@ struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int b if (pret == NULL) goto fail; - printf("%s: %ix%i@%d\n", fbdev_name, fbdev->fbvar_new.xres, fbdev->fbvar_new.yres, - fbdev->fbvar_new.bits_per_pixel); + printf(PFX "%s: %ix%i@%d\n", fbdev_name, fbdev->fbvar_new.xres, + fbdev->fbvar_new.yres, fbdev->fbvar_new.bits_per_pixel); *w = fbdev->fbvar_new.xres; *h = fbdev->fbvar_new.yres; @@ -219,7 +223,7 @@ struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int b ret = 0; ret = ioctl(fbdev->fd, FBIO_WAITFORVSYNC, &ret); if (ret != 0) - fprintf(stderr, "Warning: vsync doesn't seem to be supported\n"); + fprintf(stderr, PFX "Warning: vsync doesn't seem to be supported\n"); if (fbdev->buffer_count > 1) { fbdev->buffer_write = 0; @@ -227,7 +231,7 @@ struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int b ret = ioctl(fbdev->fd, FBIOPAN_DISPLAY, &fbdev->fbvar_new); if (ret != 0) { fbdev->buffer_count = 1; - fprintf(stderr, "Warning: can't pan display, doublebuffering disabled\n"); + fprintf(stderr, PFX "Warning: can't pan display, doublebuffering disabled\n"); } } @@ -241,14 +245,66 @@ fail_open: return NULL; } -void vout_fbdev_finish(struct vout_fbdev *fbdev) +static void vout_fbdev_release(struct vout_fbdev *fbdev) { ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_old); if (fbdev->mem != MAP_FAILED) munmap(fbdev->mem, fbdev->mem_size); + fbdev->mem = NULL; +} + +int vout_fbdev_save(struct vout_fbdev *fbdev) +{ + void *tmp; + + if (fbdev == NULL || fbdev->mem == NULL || fbdev->mem == MAP_FAILED) { + fprintf(stderr, PFX "bad args for save\n"); + return -1; + } + + if (fbdev->mem_saved_size < fbdev->mem_size) { + tmp = realloc(fbdev->mem_saved, fbdev->mem_size); + if (tmp == NULL) + return -1; + fbdev->mem_saved = tmp; + } + memcpy(fbdev->mem_saved, fbdev->mem, fbdev->mem_size); + fbdev->mem_saved_size = fbdev->mem_size; + + vout_fbdev_release(fbdev); + return 0; +} + +int vout_fbdev_restore(struct vout_fbdev *fbdev) +{ + int ret; + + if (fbdev == NULL || fbdev->mem != NULL) { + fprintf(stderr, PFX "bad args/state for restore\n"); + return -1; + } + + fbdev->mem = mmap(0, fbdev->mem_size, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev->fd, 0); + if (fbdev->mem == MAP_FAILED) { + perror(PFX "restore: memory restore failed"); + return -1; + } + memcpy(fbdev->mem, fbdev->mem_saved, fbdev->mem_size); + + ret = ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_new); + if (ret == -1) { + perror(PFX "restore: FBIOPUT_VSCREENINFO"); + return -1; + } + + return 0; +} + +void vout_fbdev_finish(struct vout_fbdev *fbdev) +{ + vout_fbdev_release(fbdev); if (fbdev->fd >= 0) close(fbdev->fd); - fbdev->mem = NULL; fbdev->fd = -1; free(fbdev); } diff --git a/frontend/linux/fbdev.h b/frontend/linux/fbdev.h index 2db91631..88cd519f 100644 --- a/frontend/linux/fbdev.h +++ b/frontend/linux/fbdev.h @@ -9,4 +9,6 @@ void *vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, int bpp, void vout_fbdev_clear(struct vout_fbdev *fbdev); void vout_fbdev_clear_lines(struct vout_fbdev *fbdev, int y, int count); int vout_fbdev_get_fd(struct vout_fbdev *fbdev); +int vout_fbdev_save(struct vout_fbdev *fbdev); +int vout_fbdev_restore(struct vout_fbdev *fbdev); void vout_fbdev_finish(struct vout_fbdev *fbdev); diff --git a/frontend/linux/xenv.c b/frontend/linux/xenv.c index f54e57d2..40bf92c9 100644 --- a/frontend/linux/xenv.c +++ b/frontend/linux/xenv.c @@ -25,6 +25,8 @@ #include #include +#include "xenv.h" + #define PFX "xenv: " #define FPTR(f) typeof(f) * p##f @@ -81,13 +83,14 @@ static Cursor transparent_cursor(struct xstuff *xf, Display *display, Window win return cursor; } -static int x11h_init(const char *window_title) +static int x11h_init(int *xenv_flags, const char *window_title) { unsigned int display_width, display_height; Display *display; XSetWindowAttributes attributes; Window win; Visual *visual; + long evt_mask; void *x11lib; int screen; @@ -153,9 +156,14 @@ static int x11h_init(const char *window_title) attributes.cursor = transparent_cursor(&g_xstuff, display, win); g_xstuff.pXChangeWindowAttributes(display, win, CWOverrideRedirect | CWCursor, &attributes); - g_xstuff.pXStoreName(display, win, window_title); - g_xstuff.pXSelectInput(display, win, - ExposureMask | FocusChangeMask | KeyPressMask | KeyReleaseMask | PropertyChangeMask); + if (window_title != NULL) + g_xstuff.pXStoreName(display, win, window_title); + evt_mask = ExposureMask | FocusChangeMask | PropertyChangeMask; + if (xenv_flags && (*xenv_flags & XENV_CAP_KEYS)) + evt_mask |= KeyPressMask | KeyReleaseMask; + if (xenv_flags && (*xenv_flags & XENV_CAP_MOUSE)) + evt_mask |= ButtonPressMask | ButtonReleaseMask | PointerMotionMask; + g_xstuff.pXSelectInput(display, win, evt_mask); g_xstuff.pXMapWindow(display, win); g_xstuff.pXGrabKeyboard(display, win, False, GrabModeAsync, GrabModeAsync, CurrentTime); g_xstuff.pXkbSetDetectableAutoRepeat(display, 1, NULL); @@ -173,34 +181,54 @@ fail: return -1; } -static int x11h_update(int *is_down) +static void x11h_update(int (*key_cb)(void *cb_arg, int kc, int is_pressed), + int (*mouseb_cb)(void *cb_arg, int x, int y, int button, int is_pressed), + int (*mousem_cb)(void *cb_arg, int x, int y), + void *cb_arg) { XEvent evt; + int keysym; while (g_xstuff.pXPending(g_xstuff.display)) { g_xstuff.pXNextEvent(g_xstuff.display, &evt); switch (evt.type) { - case Expose: - while (g_xstuff.pXCheckTypedEvent(g_xstuff.display, Expose, &evt)) - ; - default: - // printf("event %d\n", evt.type); - break; - - case KeyPress: - *is_down = 1; - return g_xstuff.pXLookupKeysym(&evt.xkey, 0); - - case KeyRelease: - *is_down = 0; - return g_xstuff.pXLookupKeysym(&evt.xkey, 0); - // printf("press %d\n", evt.xkey.keycode); + case Expose: + while (g_xstuff.pXCheckTypedEvent(g_xstuff.display, Expose, &evt)) + ; + break; + + case KeyPress: + keysym = g_xstuff.pXLookupKeysym(&evt.xkey, 0); + if (key_cb != NULL) + key_cb(cb_arg, keysym, 1); + break; + + case KeyRelease: + keysym = g_xstuff.pXLookupKeysym(&evt.xkey, 0); + if (key_cb != NULL) + key_cb(cb_arg, keysym, 0); + break; + + case ButtonPress: + if (mouseb_cb != NULL) + mouseb_cb(cb_arg, evt.xbutton.x, evt.xbutton.y, + evt.xbutton.button, 1); + break; + + case ButtonRelease: + if (mouseb_cb != NULL) + mouseb_cb(cb_arg, evt.xbutton.x, evt.xbutton.y, + evt.xbutton.button, 0); + break; + + case MotionNotify: + if (mousem_cb != NULL) + mousem_cb(cb_arg, evt.xmotion.x, evt.xmotion.y); + break; } } - - return NoSymbol; } static void x11h_wait_vmstate(void) @@ -221,7 +249,7 @@ static void x11h_wait_vmstate(void) usleep(200000); } - printf("timeout waiting for wm_state change\n"); + fprintf(stderr, PFX "timeout waiting for wm_state change\n"); } static int x11h_minimize(void) @@ -347,40 +375,49 @@ static void tty_end(void) g_kbdfd = -1; } -int xenv_init(const char *window_title) +int xenv_init(int *xenv_flags, const char *window_title) { int ret; - ret = x11h_init(window_title); + ret = x11h_init(xenv_flags, window_title); if (ret == 0) - return 0; + goto out; + if (xenv_flags != NULL) + *xenv_flags &= ~(XENV_CAP_KEYS | XENV_CAP_MOUSE); /* TODO? */ ret = tty_init(); if (ret == 0) - return 0; + goto out; fprintf(stderr, PFX "error: both x11h_init and tty_init failed\n"); - return -1; + ret = -1; +out: + return ret; } -int xenv_update(int *is_down) +int xenv_update(int (*key_cb)(void *cb_arg, int kc, int is_pressed), + int (*mouseb_cb)(void *cb_arg, int x, int y, int button, int is_pressed), + int (*mousem_cb)(void *cb_arg, int x, int y), + void *cb_arg) { - if (g_xstuff.display) - return x11h_update(is_down); + if (g_xstuff.display) { + x11h_update(key_cb, mouseb_cb, mousem_cb, cb_arg); + return 0; + } // TODO: read tty? return -1; } -/* blocking minimize until user maximazes again */ +/* blocking minimize until user maximizes again */ int xenv_minimize(void) { - int ret, dummy; + int ret; if (g_xstuff.display) { - xenv_update(&dummy); + xenv_update(NULL, NULL, NULL, NULL); ret = x11h_minimize(); - xenv_update(&dummy); + xenv_update(NULL, NULL, NULL, NULL); return ret; } diff --git a/frontend/linux/xenv.h b/frontend/linux/xenv.h index 1afad9da..6abda195 100644 --- a/frontend/linux/xenv.h +++ b/frontend/linux/xenv.h @@ -1,6 +1,18 @@ -int xenv_init(const char *window_title); -int xenv_update(int *is_down); +#define XENV_CAP_KEYS (1<<0) +#define XENV_CAP_MOUSE (1<<1) + +/* xenv_flags specify if we need keys and mouse, + * on return, flag is removed if input is not available */ +int xenv_init(int *xenv_flags, const char *window_title); + +/* read events from X, calling key_cb for key, mouseb_cb for mouse button + * and mousem_cb for mouse motion events */ +int xenv_update(int (*key_cb)(void *cb_arg, int kc, int is_pressed), + int (*mouseb_cb)(void *cb_arg, int x, int y, int button, int is_pressed), + int (*mousem_cb)(void *cb_arg, int x, int y), + void *cb_arg); + int xenv_minimize(void); void xenv_finish(void); diff --git a/frontend/plat_omap.c b/frontend/plat_omap.c index 3a6a9489..4ab7cf04 100644 --- a/frontend/plat_omap.c +++ b/frontend/plat_omap.c @@ -90,15 +90,12 @@ int omap_enable_layer(int enabled) void plat_video_menu_enter(int is_rom_loaded) { - int dummy; - g_menuscreen_ptr = vout_fbdev_resize(main_fb, g_menuscreen_w, g_menuscreen_h, 16, 0, 0, 0, 0, 3); if (g_menuscreen_ptr == NULL) fprintf(stderr, "warning: vout_fbdev_resize failed\n"); - // hmh - xenv_update(&dummy); + xenv_update(NULL, NULL, NULL, NULL); } void plat_video_menu_begin(void) @@ -165,7 +162,7 @@ void plat_init(void) exit(1); } - xenv_init("PCSX-ReARMed"); + xenv_init(NULL, "PCSX-ReARMed"); w = h = 0; main_fb = vout_fbdev_init(main_fb_name, &w, &h, 16, 2); -- 2.39.5